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  • Simplify combining like terms: (ii) - z ^2 + 13 z^2 - 5z + 7z^ 3 - 15z

Q. 1.     Simplify combining like terms:

             (ii)  -z^{2}+13z^{2}-5z+7z^{3}-15z

Answers (1)

best_answer

-z^{2}+13z^{2}-5z+7z^{3}-15z

-z2 + 13z2 - 5z + 7z3 - 15z

= (-1 + 13)z2 + (-5 - 15)z +7z3

=12z2 - 20z + 7z3

The simplified expression is 12z2 - 20z + 7z3

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Sayak

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